#8A1B1B#8A1B1B

#8A1B1B is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.5% C 0.146 H 26.4°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#8A1B1B
RGB	rgb(138, 27, 27)
HSL	hsl(0, 67%, 32%)
HSV	hsv(0, 80%, 54%)
CMYK	cmyk(0%, 80.4%, 80.4%, 45.9%)
CIE-LAB	lab(30.08, 45.58, 29.82)
CIE-LCH	lch(30.08, 54.47, 33.19°)
OKLab	oklab(41.48% 0.1312 0.0652)
OKLCH	oklch(41.48% 0.146 26.4)
XYZ	xyz(11.0723, 6.2680, 1.6636)
Luminance	0.0627 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8A1B1B #1B8A8A

analogous

#8A1B53 #8A1B1B #8A531B

triadic

#8A1B1B #1B8A1B #1B1B8A

tetradic

#8A1B1B #538A1B #1B8A8A #531B8A

square

#8A1B1B #538A1B #1B8A8A #531B8A

split-complementary

#8A1B1B #1B8A53 #1B538A

monochromatic

#240707 #571111 #8A1B1B #BD2525 #DB4545

Accessibility & contrast

On white

9.32

#8A1B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#8A1B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #8A1B1B

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8A1B1B	#FFFFFF	#000000	##FFFFFF
##8A1B1B	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3719

Deuteranopia (green-blind)

#594F16

Tritanopia (blue-blind)

#99001D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #8a1b1b;
/* rgb */ color: rgb(138, 27, 27);
/* oklch */ color: oklch(41.5% 0.146 26.4);

Tailwind

colors: {
  custom: {
    50: '#b56358',
    500: '#8a1b1b',
    950: '#000000',
  },
}

SCSS

$custom: #8a1b1b;
$custom-light: #b56358;
$custom-dark: #000000;

JSON

{
  "hex": "#8a1b1b",
  "rgb": {
    "r": 138,
    "g": 27,
    "b": 27
  },
  "hsl": {
    "h": 0,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41484,
    "c": 0.14646,
    "h": 26.4
  },
  "luminance": 0.06266
}

Semantic roles & 50–950 ramp

primary

#8A1B1B

secondary

#45BCBC

accent

#EAEA3E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #8A1B1B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →